/* -----------------------------------------------------------------------------
- * $Id: Itimer.h,v 1.7 2000/08/25 13:12:07 simonmar Exp $
+ * $Id: Itimer.h,v 1.8 2001/11/21 20:55:10 sof Exp $
*
* (c) The GHC Team 1998-1999
*
/* Total number of ticks since startup */
extern lnat total_ticks;
-nat initialize_virtual_timer ( nat ms );
+int initialize_virtual_timer ( nat ms );
int install_vtalrm_handler ( void );
void block_vtalrm_signal ( void );
void unblock_vtalrm_signal ( void );